Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 64/RN 1/RN 16/RN 4/RN 64/RN 1/RN 16/RN 4/RN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square of fan speed Square root of fan speed Directly as fan speed Cube of fan speed Square of fan speed Square root of fan speed Directly as fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump is None of these Proportional to diameter and speed of impeller Proportional to diameter of impeller Proportional to speed of impeller None of these Proportional to diameter and speed of impeller Proportional to diameter of impeller Proportional to speed of impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which type of the pump is different from others in the same group? Plunger pump Cam and piston pump Gear pump Screw pump Plunger pump Cam and piston pump Gear pump Screw pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury? Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will be immersed in mercury by half Metal piece will sink to the bottom The metal piece will simply float over the mercury Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will be immersed in mercury by half Metal piece will sink to the bottom The metal piece will simply float over the mercury ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. None of these Less than Equal to More than None of these Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
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